Backpack



FIG. 1 is a perspective view of a backpack showing my new design;

FIG. 2 is a left side view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a rear view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken lines showing a person wearing the backpack, illustrates theuse of the design, with the broken lines not forming any part of theclaim. The broken lines on the surface of the claimed article throughoutthe views represent stitching.

I claim the ornamental design for the backpack, as shown.